Wakambozvibvunza here kuti, Sei zvinhu zvakasimba zvichiyangarara pamusoro pemvura? Unoisa koki mumvura uye koki inoyangarara. Kune rumwe rutivi, kana ukaisa tsono yekusonesa kana dombo mumvura, tsono yekusonesa kana dombo inonyura, kunyangwe saizi yetsono kana dombo iri diki pane koki. Ndezvipi zvinhu zvinokonzera chinhu chakasimba kuyangarara pamusoro pemvura?
Simba renyika rinokwevera pasi rinoshanda pachinhu chimwe nechimwe chiri pamusoro penyika, saka chinhu chimwe nechimwe chine huremu chine simba regiravhiti. Kana simba rehuremu (w) rechinhu chakasimba riri diki pane simba remvura rinoyerera (F A ), saka kana chinhu chakasimba chikanyudzwa mumvura, chinhu chinosimuka choyangarara pamusoro pemvura.
Zvinhu zvinofamba zvichikwira uye zvichiyangarara pamusoro pemvura nekuti pane simba rose kana simba rinobuda rakanangidzirwa kumusoro richishanda pachinhu chacho, uko hukuru hwesimba rose = simba rinodzika - simba rinokwevera pasi.
Tsananguro: ρ = kuwanda kwehuwandu, g = kukurumidza kwegiravhiti, Vchinhu = vhoriyamu yechinhu chakanyudzwa mumvura (zvikamu zvese zvechinhu zvakanyudzwa mumvura), P = kumanikidzwa, A = nzvimbo yepamusoro, m = huremu hwechinhu chacho.
Zvichibva pachiyero ichi, zvinogona kugumiswa kuti mafambiro echinhu chakanyudzwa mumvura anongoenderana nehuremu hwechinhu uye huremu hwemvura. Kana huremu hwemvura hwakakura kupfuura huremu hwechinhu, chinhu chinokwira kumusoro mushure mekunyudzwa mumvura (chinhu chinoyangarara).
Kana chinhu chikayangarara pamusoro pemvura, hukuru hwesimba rinoyerera hunofanira kunge hwakafanana nehuremu hwechinhu kuitira kuti simba rinobuda rive zero uye chinhu chacho chive mu static equilibrium (chinhu chacho chiri pa rest).
Tsananguro: ρ = kuwanda, v 1 = vhoriyamu yechinhu chakanyudzwa mumvura, v 2 = vhoriyamu yese yechinhu
Kana chinhu chikayangarara pamusoro pemvura, huwandu hwechinhu chakanyudzwa mumvura hunotsanangurwa nehuwandu hwechinhu chacho uye chiyero chehuwandu hwemvura nehuremu hwechinhu chacho. Kana chinhu chikayangarara pamusoro pemvura isiri mvura, huwandu hwemvura hunotsiviwa nehuremu hwemvura.
